幸福的代价：这篇演讲者介绍了很多种世界顶级贵的奢侈品，有吃的、用的、住的，试图探讨这些奢侈品的价格和他们带给人们的享受是不是成正比。作者了他个人的体验发现有些他喜欢觉得值，有些他觉得不值那个钱。最后还提到其实高标价本身也可以增加人们的满足感。也就是本来一块钱的饼干标价100出售，反而提高了人们的幸福感，很诡异的事。 Benjamin Wallace: The price of happiness
2分钟英语演讲稿（一） Hello, everyone: Today I am very happy, Because I can talk about with you. You see I am a lovely girl, yes! I like laughing, I like studying. That ——is me-- zhuyingjie from Badong sh
Weekly Address: Standing Strong in the Face of Terrorism (December 12, 2015) 奥巴马每周电视讲话：总统呼吁打击恐怖主义 Hello,everybody.This week,Americans across our country have shown what it means to be strong in the fa
